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Chevy Avalanche, Performance Engines, Turbo S, Rat Rods, Detroit, Biking, Charger, Gaming, Bicycling

12 cylinder LS12, will blow your mind--take 3 x 2.0 Ecotec I4's and make a 6.0 550hp W12

engines rev so high that they have to use pneumatically operated valves since springs won't retract the valves quickly enough.

Two turbos. No waiting......

Twin turbos with massive intercoolers,, nice. I never imagined turbo's could replace GMC for making horsepower but they have. The trick is spooling them up prior to the final stage in the lights.